﻿#region Copyright

// The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in compliance
//  with the License. You may obtain a copy of the License at
//  
//  http://www.mozilla.org/MPL/
//  
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations under 
//  the License.
//  
//  The Initial Developer of the Original Code is Robert Smyth.
//  Portions created by Robert Smyth are Copyright (C) 2008.
//  
//  All Rights Reserved.

#endregion

using System;
using System.Windows;
using System.Windows.Media;
using NUnitGrid.Framework;
using NUnitGrid.Framework.Plugins;
using NUnitGrid.Framework.UI;


namespace NUnitGrid.GridClient.Plugins.GridClient.UI.ConnectionStatus
{
    public class ConnectionStatusElementController : IUIChildPlugin, ILinkReadyListener
    {
        private readonly ILabelView connectionStatusLabel;

        public ConnectionStatusElementController(ILabelView connectionStatusLabel)
        {
            this.connectionStatusLabel = connectionStatusLabel;
        }

        public void Start(IHostView hostView)
        {
            connectionStatusLabel.FontWeight = FontWeights.Bold;
            connectionStatusLabel.SetText("Not connected.");
            connectionStatusLabel.SetFontSize(16);
            hostView.AddChild(connectionStatusLabel);
        }

        public void Stop(IHostView view)
        {
        }

        void ILinkReadyListener.OnStateChange(ChannelState state)
        {
            if (connectionStatusLabel != null)
            {
                switch (state)
                {
                    case ChannelState.NotConnected:
                        connectionStatusLabel.SetText("Not connected.");
                        connectionStatusLabel.Foreground = new SolidColorBrush(Colors.Red);
                        break;

                    case ChannelState.Connected:
                        connectionStatusLabel.SetText("Connected.");
                        connectionStatusLabel.Foreground = new SolidColorBrush(Colors.LightGreen);
                        break;

                    default:
                        throw new ArgumentOutOfRangeException("state");
                }
            }
        }
    }
}